/*
 * DBeaver - Universal Database Manager
 * Copyright (C) 2010-2024 DBeaver Corp and others
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jkiss.dbeaver.model.sql.semantics;

import org.jkiss.code.Nullable;

/**
 * Syntax context change listener
 */
public interface SQLDocumentSyntaxContextListener {
    /**
     * Occurs when a new script item is introduced to the document syntax context
     */
    void onScriptItemIntroduced(@Nullable SQLDocumentScriptItemSyntaxContext item);
    /**
     * Occurs when the script item is removed from the document syntax context
     */
    void onScriptItemInvalidated(@Nullable SQLDocumentScriptItemSyntaxContext item);

    /**
     * Occurs when all script item are removed to the document syntax context
     */
    void onAllScriptItemsInvalidated();
}